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I am wondering if there are any non poisoning alternatives to sodium acetate, which is used in those self-heating pads, that reaction can be kicked off by clicking a small metal plate?

Specifically alternatives that are able to become hotter than sodium acetate. Meaning something that can store more energy and therefor emit more or longer heat.

If I correctly understand the Wikipedia article then the correct term would be the specific heat capacity.

Are there other ways to start the reaction than clicking a small metal plate? Like using a battery?

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  • $\begingroup$ I have found an article that examines a mixture of sodium Acetate trihydrate-ethylene glycol. Which results in longer emittment of warmth. Is there anything similar to this? $\endgroup$ – Matze Jun 15 '18 at 7:43
  • $\begingroup$ Not a solution, but: you don't care so much about the specific heat capacity (as long as its not too low and not too high) as you care about the enthalpy of fusion. $\endgroup$ – chipbuster Jun 15 '18 at 23:29

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